Surges in influenza cases are being detected across the UK, with many infections attributed to the new H3N2 strain – also referred to as subclade k. The latest figures from the UK Health Security Agency (UKHSA) show that flu is now spreading at ‘medium’ levels following heightened activity.
The data highlights that influenza positivity rose with a weekly mean positivity rate of 17.1% compared to just 11.6% in the previous week. Additionally, hospital admissions for the flu were climbing at 7.79% per 100,000 compared to 4.78% per 100,000 in the preceding week.
Whilst the new strain may trigger a range of unpleasant symptoms for most people, certain groups face a greater risk of complications, including children, elderly people, and those with compromised immune systems. Many of these vulnerable individuals are those who stand to benefit most from a free flu jab from the NHS.
This follows a warning from Prof Julian Redhead, National Medical Director for Urgent and Emergency Care, that the « health service is bracing for an unprecedented flu wave this winter ». He added: « Cases are incredibly high for this time of year and there is no peak in sight yet.
« The NHS has prepared earlier for winter than ever before, but despite that we know that ballooning flu cases coinciding with strikes may stretch our staff close to breaking point in the coming weeks. There have never been more ways for people can get the care they need, so for non-life-threatening care, people should call NHS 111 or use 111 online, which can direct you to the most appropriate place.
« As always, use A&E & 999 for life threatening conditions and serious injuries, and with just a couple of weeks left to ensure maximum immunity from flu for Christmas Day, I urge anyone eligible to come forward to get their jab ».
How the flu jab works
The flu vaccine safeguards your body against severe influenza by training your immune system to identify and fight off the virus before exposure occurs. The injection functions by delivering a small quantity of a deactivated flu virus into your system, triggering an immune response.
Following vaccination, approximately 10 days are needed for it to take effect and offer sufficient protection. It’s important to note that whilst the injection does contain an inactive flu virus, the vaccination itself cannot give you the flu.
Typically, just one dose of the vaccination is needed annually.
Who is eligible for the free flu jab?
NHS guidelines reveal there are six distinct categories of people eligible for a free flu jab. You may be entitled to the jab if you need extra protection or if someone in your household does.
This can include people who are:
- Aged 65 or over and those who will turn 65 by March 31, 2026
- Living with someone who has a weakened immune system (such as someone undergoing chemotherapy)
- Are the main carer for an older or disabled person or receiving carer’s allowance
- Have certain long-term health conditions
- Living in a care home
- Are pregnant
How to get the flu vaccine for free
If you’re eligible for a free flu vaccine, there are several ways to claim it. For example, you can directly contact your GP to arrange an appointment for the vaccine, or you can book an appointment at a pharmacy either online or via the NHS app, provided you’re 18 or over.
Some pharmacies also offer the NHS vaccine for free and allow walk-ins without the need to pre-book an appointment. However, this service isn’t available at all pharmacies, but you can locate your nearest pharmacy offering the free vaccine here.
More information on the flu vaccine, including its ingredients, can be found on the NHS website here.
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